Mechanical Engineer

OTJ Architects • Washington, DC

2d • Hybrid

About The Position

OTJ is looking for an experienced Mechanical Engineer who is PE certified. This role focuses on the planning, design, and execution of mechanical systems for a wide range of building and infrastructure projects. The ideal candidate has strong technical expertise, experience, and a collaborative mindset suited for multidisciplinary AEC environments.

Requirements

• Bachelor’s degree in mechanical engineering (ABET-accredited)
• 5–10 years of experience in mechanical engineering within an AEC consulting environment
• Active PE license in Maryland, Virginia, and Washington, DC
• Strong working knowledge of NFPA, ICC, ASHRAE, and local jurisdictional codes
• Proficiency in Revit and AutoCAD
• Proficiency in Trane Trace 700 Load Calculation Software.
• Experience coordinating within BIM and multidisciplinary design teams
• Excellent communication, documentation, and organizational skills

Responsibilities

• Serve as Engineer of Record (EOR) for Mechanical design projects, including sealing and signing construction documents
• Design and document mechanical systems for commercial, institutional, healthcare, higher education, mixed-use, and/or government facilities
• Produce and review drawings, specifications, calculations, and technical narratives
• Coordinate closely with architects, structural, civil, and MEP engineering teams throughout design development and construction
• Participate in QA/QC reviews to ensure technical accuracy and firm standards are met
• Support construction administration services, including shop drawing and submittal reviews, RFI responses, site visits, field observations, and closeout documentation
• Interface with AHJs and utility providers across MD, VA, and DC for permitting and design approvals
• Mentor junior engineers and designers; provide technical oversight and guidance
• Support project management activities such as scope development, scheduling, and fee estimates
• Contribute to proposals, interviews, and business development efforts as needed

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 101-250 employees